diff --git a/src/cpp/JSONInterface/JsonLogout.cpp b/src/cpp/JSONInterface/JsonLogout.cpp
new file mode 100644
index 000000000..0b347f767
--- /dev/null
+++ b/src/cpp/JSONInterface/JsonLogout.cpp
@@ -0,0 +1,44 @@
+#include "JsonLogout.h"
+
+
+
+#include "../SingletonManager/SessionManager.h"
+
+
+Poco::JSON::Object* JsonLogout::handle(Poco::Dynamic::Var params)
+{
+	
+	auto sm = SessionManager::getInstance();
+	int session_id = 0;
+
+	// if is json object
+	if (params.type() == typeid(Poco::JSON::Object::Ptr)) {
+		Poco::JSON::Object::Ptr paramJsonObject = params.extract<Poco::JSON::Object::Ptr>();
+		/// Throws a RangeException if the value does not fit
+		/// into the result variable.
+		/// Throws a NotImplementedException if conversion is
+		/// not available for the given type.
+		/// Throws InvalidAccessException if Var is empty.
+		try {
+			paramJsonObject->get("session_id").convert(session_id);
+		}
+		catch (Poco::Exception& ex) {
+			return stateError("json exception", ex.displayText());
+		}
+	}
+	else {
+		return stateError("parameter format unknown");
+	}
+
+	auto session = sm->getSession(session_id);
+	if (!session) {
+		return stateError("session not found", std::to_string(session_id));
+	}
+	if (sm->releaseSession(session_id)) {
+		return stateSuccess();
+	}
+	return stateError("error by releasing session");
+
+	
+
+}
\ No newline at end of file
diff --git a/src/cpp/JSONInterface/JsonLogout.h b/src/cpp/JSONInterface/JsonLogout.h
new file mode 100644
index 000000000..7243d2b8c
--- /dev/null
+++ b/src/cpp/JSONInterface/JsonLogout.h
@@ -0,0 +1,18 @@
+#ifndef __JSON_INTERFACE_JSON_LOGOUT_
+#define __JSON_INTERFACE_JSON_LOGOUT_
+
+#include "JsonRequestHandler.h"
+
+class JsonLogout : public JsonRequestHandler
+{
+public:
+	JsonLogout(Poco::Net::IPAddress ip) : mClientIP(ip) {}
+	Poco::JSON::Object* handle(Poco::Dynamic::Var params);
+
+protected:
+	Poco::Net::IPAddress mClientIP;
+
+
+};
+
+#endif // __JSON_INTERFACE_JSON_LOGOUT_
\ No newline at end of file
diff --git a/src/cpp/JSONInterface/JsonRequestHandlerFactory.cpp b/src/cpp/JSONInterface/JsonRequestHandlerFactory.cpp
index aed26c939..b0b5ad8fa 100644
--- a/src/cpp/JSONInterface/JsonRequestHandlerFactory.cpp
+++ b/src/cpp/JSONInterface/JsonRequestHandlerFactory.cpp
@@ -1,65 +1,74 @@
-#include "JsonRequestHandlerFactory.h"
-
-#include "Poco/Net/HTTPServerRequest.h"
-
-#include "../SingletonManager/SessionManager.h"
-
-#include "JsonCreateUser.h"
-#include "JsonGetLogin.h"
-#include "JsonUnknown.h"
-#include "JsonTransaction.h"
-#include "JsonGetRunningUserTasks.h"
-#include "JsonGetUsers.h"
-#include "JsonAdminEmailVerificationResend.h"
-#include "JsonGetUserInfos.h"
-#include "JsonUpdateUserInfos.h"
-#include "JsonUnsecureLogin.h"
-
-JsonRequestHandlerFactory::JsonRequestHandlerFactory()	
-	: mRemoveGETParameters("^/([a-zA-Z0-9_-]*)"), mLogging(Poco::Logger::get("requestLog"))
-{
-}
-
-Poco::Net::HTTPRequestHandler* JsonRequestHandlerFactory::createRequestHandler(const Poco::Net::HTTPServerRequest& request)
-{
-	std::string uri = request.getURI();
-	std::string url_first_part;
-	std::stringstream logStream;
-
-	mRemoveGETParameters.extract(uri, url_first_part);
-
-	std::string dateTimeString = Poco::DateTimeFormatter::format(Poco::DateTime(), "%d.%m.%y %H:%M:%S");
-	logStream << dateTimeString << " call " << uri;
-
-	mLogging.information(logStream.str());
-
-	if (url_first_part == "/login") {
-		return new JsonGetLogin;
-	}
-	else if (url_first_part == "/checkTransaction") {
-		return new JsonTransaction;
-	}
-	else if (url_first_part == "/getRunningUserTasks") {
-		return new JsonGetRunningUserTasks;
-	}
-	else if (url_first_part == "/getUsers") {
-		return new JsonGetUsers;
-	} 
-	else if (url_first_part == "/createUser") {
-		return new JsonCreateUser(request.clientAddress().host());
-	}
-	else if (url_first_part == "/adminEmailVerificationResend") {
-		return new JsonAdminEmailVerificationResend;
-	}
-	else if (url_first_part == "/getUserInfos") {
-		return new JsonGetUserInfos;
-	}
-	else if (url_first_part == "/updateUserInfos") {
-		return new JsonUpdateUserInfos;
-	}
-	else if (url_first_part == "/unsecureLogin" && (ServerConfig::g_AllowUnsecureFlags & ServerConfig::UNSECURE_PASSWORD_REQUESTS)) {
-		return new JsonUnsecureLogin(request.clientAddress().host());
-	}
-
-	return new JsonUnknown;
-}
+#include "JsonRequestHandlerFactory.h"
+
+#include "Poco/Net/HTTPServerRequest.h"
+
+#include "../SingletonManager/SessionManager.h"
+
+#include "JsonCreateUser.h"
+#include "JsonGetLogin.h"
+#include "JsonUnknown.h"
+#include "JsonTransaction.h"
+#include "JsonGetRunningUserTasks.h"
+#include "JsonGetUsers.h"
+#include "JsonAdminEmailVerificationResend.h"
+#include "JsonGetUserInfos.h"
+#include "JsonUpdateUserInfos.h"
+#include "JsonUnsecureLogin.h"
+#include "JsonLogout.h"
+
+JsonRequestHandlerFactory::JsonRequestHandlerFactory()	
+	: mRemoveGETParameters("^/([a-zA-Z0-9_-]*)"), mLogging(Poco::Logger::get("requestLog"))
+{
+}
+
+Poco::Net::HTTPRequestHandler* JsonRequestHandlerFactory::createRequestHandler(const Poco::Net::HTTPServerRequest& request)
+{
+	std::string uri = request.getURI();
+	std::string url_first_part;
+	std::stringstream logStream;
+
+	mRemoveGETParameters.extract(uri, url_first_part);
+
+	std::string dateTimeString = Poco::DateTimeFormatter::format(Poco::DateTime(), "%d.%m.%y %H:%M:%S");
+	logStream << dateTimeString << " call " << uri;
+
+	mLogging.information(logStream.str());
+
+	auto client_host = request.clientAddress().host();
+	//auto client_ip = request.clientAddress();
+	// X-Real-IP forwarded ip from nginx config
+	auto client_host_string = request.get("X-Real-IP", client_host.toString());
+	client_host = Poco::Net::IPAddress(client_host_string);
+
+	if (url_first_part == "/login") {
+		return new JsonGetLogin;
+	}
+	else if (url_first_part == "/checkTransaction") {
+		return new JsonTransaction;
+	}
+	else if (url_first_part == "/getRunningUserTasks") {
+		return new JsonGetRunningUserTasks;
+	}
+	else if (url_first_part == "/getUsers") {
+		return new JsonGetUsers;
+	} 
+	else if (url_first_part == "/createUser") {
+		return new JsonCreateUser(client_host);
+	}
+	else if (url_first_part == "/adminEmailVerificationResend") {
+		return new JsonAdminEmailVerificationResend;
+	}
+	else if (url_first_part == "/getUserInfos") {
+		return new JsonGetUserInfos;
+	}
+	else if (url_first_part == "/updateUserInfos") {
+		return new JsonUpdateUserInfos;
+	}
+	else if (url_first_part == "/unsecureLogin" && (ServerConfig::g_AllowUnsecureFlags & ServerConfig::UNSECURE_PASSWORD_REQUESTS)) {
+		return new JsonUnsecureLogin(request.clientAddress().host());
+	}
+	else if (url_first_part == "/logout") {
+		return new JsonLogout(client_host);
+	}
+	return new JsonUnknown;
+}